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POEM@HOME project support thread - Page 16

post #151 of 164
I've been running dual 7990's doing nothing but crunchin on Rosewill 1000w Lightnings for three years without any trouble whatsoever.

Five of them have handled everything I've thrown at them and I have only lost one just last month.

Three years after the abuse I have put them through says a lot. I pay attention to the wattage at the wall yes, everyone has to doing what we do, but it is not the end all and be all.

1000w psu is easily capable of driving four tahitis at full power, done correctly.

And is case you haven't figured it out yet I don't pay too much attention to the PSU calculators either, they are usually wrong.

I know there is a user here who is a PSU expert, I would ask him. (forgot his user handle)
Edited by Egilman - 1/29/16 at 12:34pm
post #152 of 164
What board you going with/got? I have the Asus z9pa-d8 board and 2 gpu is not a good Idea. I also have the Asrock EP2C602-4L/D16 which I like much better for a few reasons, one of them being the gpu spacing.
post #153 of 164
Quote:
Originally Posted by BeerCan View Post

What board you going with/got? I have the Asus z9pa-d8 board and 2 gpu is not a good Idea. I also have the Asrock EP2C602-4L/D16 which I like much better for a few reasons, one of them being the gpu spacing.

If your asking me brother, I"m an AMD enthusiast, and I run MSI 990FXA-GD80's with mostly 8350's. Although I do believe that they make them for Intel processors also. Great motherboard for crunchin, true dual PCiE 2.0 at x16, (actual 16x speed) three way sli/ quad xfire, (@ x16/x8/x8) with plenty of PCi slots, decent spacing also.

The pick and shovel crowd (bitcoin miners) love it for budget rigs.

In fact I'm about to rebuild Blackhawk-1 to replace a failing Asrock Extreme 11 with another 990FXA.

Relatively inexpensive and feature packed. depending on what your doing, probably generally allround the best of the 990FX boards out there. there are probably better 990FX's from other manufacturers that do specific tasks better, but none of them do all of it as well as the MSI 990FXA-GD80 in one package.

Five stars in my book.
Edited by Egilman - 1/29/16 at 10:57pm
post #154 of 164
Just an FYI, Asrock will replace out-of-warranty boards for $50. At least in the USA, I assume this would be for out of country too. Might be easier, than a total rebuild. My Asrock Extreme 6 has an non-working optical port. Didn't feel it was worth replacing for that trivial problem. I had put an RMA in for my Z97, a Asrock Z97 OC Formula, and they gave me the whole warranty run-down with that too. But if you are switching to AMD I understand. I kind of wish I kept my Sabertooth 990FX. A buddy of mine was looking for one less than what eBay had for them, so I sold it to him, with a 8350. I won a AMD board in a BGB from Tex last year, but its MIA right now. Not sure where it buggered off to.headscratch.gif The rest of my rigs are Intels either because of upgrades, or just because I can get moar cores out of an old X58. biggrin.gif. I'd like to ticker with AMD 990FX again. I'm not sure if the 8350E or 8370E are worth getting over a 8350. Supposed the older 780A? chipset from that missing board will support them.
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post #155 of 164
The Extreme 11 I have is a Gen1 x79 board. they don't have a great reputation. (it's currently in Gen3 x99)

I think it has a faulty/failing Plex chip. I never could get four cards running right in it with a 4930k. Runs great with two cards though.

It was my first Intel since my dual Pentium II slot 1 days. (decades ago on a Micronics dual slot 1 BX100 MB) Been an AMD guy for a great many years since.

I'm pretty disheartened with Intel at this point especially with the pins on the MB, who's bright idea was that? I've built them for other people, but from my vision and experience, I've had more problems keeping peoples Intel machines running than I ever have had with AMD. When they originally shipped these boards they weren't even in an antistatic/mag bag, they just zip tied them to the foam packing!. (I shoulda got a clue from that)

For myself, strictly AMD. out of the four Extreme 11's/4930k's I bought, I only managed to get one working. Newegg refused to RMA one of the boards and Asrock refused also claiming that I bent the pins. Installer damage is not covered. I didn't bend no damned pins.

So I ate one of the boards and ran one and returned the rest. (then went back to AMD and the 8350)

Will never buy another Asrock product. (I'm solidly behind MSI)

Anyway I'm getting ready to sell the Extreme 11/4930k combo on ebay, will do a BIN for 450.00/best offer. (see if there is any interest, I don't even want to pull the processor out of it, I might screw up the MB pins)

Intel inside give me the willies.... wink.gif

Never ran an nvidea 780a board, FX790's were more to my liking. (with a Phenom II X4) Vishera's generally require an AM3+ socket board. (usually a 990FX, my general rule of thumb and after 300+ builds on the 990FX platform, I would say a reliable one)
Edited by Egilman - 2/3/16 at 2:15pm
post #156 of 164
Quote:
Originally Posted by spdaimon View Post

Just an FYI, Asrock will replace out-of-warranty boards for $50. At least in the USA, I assume this would be for out of country too. Might be easier, than a total rebuild. My Asrock Extreme 6 has an non-working optical port. Didn't feel it was worth replacing for that trivial problem. I had put an RMA in for my Z97, a Asrock Z97 OC Formula, and they gave me the whole warranty run-down with that too. But if you are switching to AMD I understand. I kind of wish I kept my Sabertooth 990FX. A buddy of mine was looking for one less than what eBay had for them, so I sold it to him, with a 8350. I won a AMD board in a BGB from Tex last year, but its MIA right now. Not sure where it buggered off to.headscratch.gif The rest of my rigs are Intels either because of upgrades, or just because I can get moar cores out of an old X58. biggrin.gif. I'd like to ticker with AMD 990FX again. I'm not sure if the 8350E or 8370E are worth getting over a 8350. Supposed the older 780A? chipset from that missing board will support them.

That board you won in BGB 50 will support FX cpus with a BIOS update. ASUS M5A78L-M LX PLUS  BIOS   You would just want to be careful, since there is no heatsink on the VRMs.  Might want to underclock and or undervolt it if it will be running 24/7.

 

 

post #157 of 164
Quote:
Originally Posted by tictoc View Post

....... You would just want to be careful, since there is no heatsink on the VRMs.  Might want to underclock and or undervolt it if it will be running 24/7.

Very sound advice indeed!

Yes it's runnable, but with the low price of 990FX motherboards today, why risk a sound Vishera processor on a motherboard where you can't run it to it's full potential? (being retired on a pension 100% disabled, I understand financial considerations. sometimes you have to make due with what you got)

anyway, very sound advice. thumb.gif
post #158 of 164
Quote:
Originally Posted by tictoc View Post

That board you won in BGB 50 will support FX cpus with a BIOS update. ASUS M5A78L-M LX PLUS  BIOS   You would just want to be careful, since there is no heatsink on the VRMs.  Might want to underclock and or undervolt it if it will be running 24/7.


Thanks. I'll probably just keep the dual core that he shipped on it then. I put it somewhere since I couldn't work on it since I was down and out with my broken leg. Bothering the hell out of me i can't find it. Probably when I do a bit of spring cleaning I will...in the spring.

Quote:
Originally Posted by Egilman View Post

Very sound advice indeed!

Yes it's runnable, but with the low price of 990FX motherboards today, why risk a sound Vishera processor on a motherboard where you can't run it to it's full potential? (being retired on a pension 100% disabled, I understand financial considerations. sometimes you have to make due with what you got)

anyway, very sound advice. thumb.gif

I have a little experience with MSI, had one board for a while, also sold it to one of my friends who was looking for a hexcore proc. Seemed pretty solid. Had a 1100T on it. Originally I bought it to unlock a Phenom II 555 to a quad core, but out of two processors I bought, neither were stable past 3 cores. Asrock has been so-so for me I guess. I got my P67 in 2011 and ran it daily until a year or so ago. The Extreme 6 was used.I got that board because a NH-D14 blocks a slot on the GA-X79-UD4 I have. Got a whole new board to use the heatsink. Sound logic, no? My brand new Asrock Z97 OC Formula (that I got a year ago to replace the P67) developed a wierd issue where it would turn on randomly (might have been Win10 doing that) but definitey should have been turning on and off rapidly at start up. RMA is working ok. Yea, I may have misquoted the chipset. The MSI was model 870A-G45. Think that means it has a AMD 870 chipset and the other a AMD 780 chipset. You might be thinking of the nforce 780i. Gave my Striker II with a skt 771 mod w/ 560TI card away to my friend's son...a lot better than that E6600 he was using.
I haven't gone beyond 2 cards. I tried 3 on air once, but the middle card was sandwiched and ran around 90C (a HD7950) with any kind of load. Didn't seem good. Seems you need water cooling for anything past 2. Gaming-wise, three cards seem to be a waste...small increase for the price of the card.
Edited by spdaimon - 2/4/16 at 5:11am
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post #159 of 164
Well back on Poem again.

At least till Jon gets Collatz up and running again.

WE have 10 days till we take over #7 on the team leaderboard and I'm about to jump from #9 to #7. (if the server ever keeps running for more than two days)

I think the ramp up is what is hurting the program, Gridcoin is causing most of the top teams to up their commitment to Collatz. They are getting noticed. (looked like they would crack 80 million today on the team dailies)

They are making a hard push which is understandable, they are paying their users based upon points produced, and Collatz produces more points than any other program. ('cept BU of course)

so that is where most of their users migrate to very quickly hoping to make money. (the whole bitcoin greed thing and their active advertising on social media is drawing notice and many new users)

100 users turning a million a day?

Team art bell tried that back in the old Seti I days. didn't work then, probably won't work now either once all those users find out they aren't going to make anything crunchin for gridcoin. Heck, there is no where to spend them. The electric company doesn't take them, nobody takes them as exchange from what I can find.... Bitcoin is taken in some areas but Gridcoin? haven't seen any retail or service providers signing on to it yet.

I just don't know about some people, greed above everything else, believe anything they read or hear.

But yeah GC has stabilized at 20 mil on Poem and on most of the projects they are running and making a major push in Collatz....

Once we take over # 7 on the leader board, I"ll come here and run a while. I need something stable...
post #160 of 164
Hmmm...I would think that someone like Cryptsy or BTC-e would exchange Gridcoin (GRC). I never quite understood how I was suppose to get that to work.
Anyhow...I did get BOINC to work in Linux Mint 17.3 with just the flgrx drivers and core Boinc client. Wither I can crunch a unit successfully remains to be seen. Unfortunately it overwrote my Windows install that I had left some files I wanted to save on it... Scanning it now with GetDataBack. No POEM units downloaded for the GPU. Are there any available or is EG taking them all..lol.
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